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JPS57116223A
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Alarm for level and temperature of water in bath tub
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JPS5755348A
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Heat accumulating box type solar water heater
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JPS5755347A
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Heat accumulating box type solar water heater
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JPS5726342A
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Roofing plate heat-collecting type water warmer by solar heat
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JPS5726343A
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Hot air type solar water warmer
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JPS56110542A
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Internal combustion heat gas engine
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JPS5620716A
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Internal combustion engine with averaged thin mixture
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JPS5481565A
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Water purifier of fish tank
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JPS5246209A
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Lean fuel/air mixture internal-combustion type thermo-aerial engine
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US4015424A
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Combustion engine with dual function motor element and rotary valve for cyclical fuel and exhaust metering
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